﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace 用面向对象的思想实现双色球
{
    public class Ball
    {
        public string color;
        public int num;
        public Ball() { }
        public Ball(int num) 
        {
            this.num = num;
        }
        
    }
}
